:root{--paper:#edf4ef;--surface:#fff;--ink:#17312d;--muted:#60736e;--accent:#08786f;--accent-soft:#b9ddd0;--line:#9bb5ad;--sand:#d9b870;--lake:#70c2c8;--coral:#df7865;--max:1320px;font-family:"DM Sans","PingFang SC",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);overflow-x:hidden}body[data-theme="paper"]{--paper:#f4efe5;--surface:#fffdf8;--ink:#29251f;--muted:#766f64;--accent:#a14f35;--accent-soft:#e6cdbb;--line:#b8aa95}body[data-theme="night"]{--paper:#172522;--surface:#22332f;--ink:#eef7f2;--muted:#afc1bb;--accent:#79d2bf;--accent-soft:#315d53;--line:#55716a}img{display:block;width:100%;height:auto}button,a{font:inherit}.site-header{height:66px;padding:0 4vw;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid 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